/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionStrata.h
class UMaterialExpressionStrataMetalnessToDiffuseAlbedoF0 : public [UMaterialExpressionStrataUtilityBase](API\Runtime\Engine\Materials\UMaterialExpressionStrataUtility-)
FExpressionInpu...
BaseColor
Defines the overall color of the Material. (type = float3, unit = unitless, defaults to 0.18)
FExpressionInpu...
Metallic
Controls how "metal-like" your surface looks like.
FExpressionInpu...
Specular
Used to scale the current amount of specularity on non-metallic surfaces and is a value between 0 and 1 (type = float, unit = unitless, defaults to plastic 0.5)